Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tao ho snippets" » "dong tai ho snippets", "dong dao ho snippets", "dong bao ho snippets", "dong tao hoi snippets", "dong tao cho snippets", "dong tao hoa snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong tao ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tao ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tao ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tao ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.